package com.tidemark;

/**
 * Readers read data, analyze data, give proposal
 * 
 * a StockDataModel must be provided when construct a Reader object, 
 * Readers put the read/analyze result into StockDataModel,
 * and GUI is shown according to the StockDataModel
 */
public interface Reader{
	
	/**
	 * reads data, analyze data, give proposal 
	 */
	public void propose();
	

}